Low-molar-mass, OH-telechelic polybutadienes were hydrogenated (1) by diimide alone and (2) by using a novel method, consisting of the following two steps: up to some 95% degree of conversion by gaseous hydrogen with conventional Ziegler-Natta catalysts, and, only then, up to almost full saturation
✦ LIBER ✦
Hydrogenation of low molar mass OH-telechelic polybutadienes catalyzed by homogeneous Ziegler nickel catalysts
✍ Scribed by S. Šabata; J. Hetflejš
- Publisher
- John Wiley and Sons
- Year
- 2002
- Tongue
- English
- Weight
- 132 KB
- Volume
- 85
- Category
- Article
- ISSN
- 0021-8995
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1 H nuclear magnetic resonance ( 1 H-NMR), 13 C-NMR, and infrared spectroscopies were used to determine concentrations (c OH , in mmol/g) of the secondary hydroxyl end groups in the low-molar-mass, OH-telechelic polybutadienes, and their hydrogenated analogs. Mean OH-functionality ( f OH Յ 2), that